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Finding the Fourth Proportional to 101,402.40, 151,970.76 and 48,707.04

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Solution

The fourth proportional to 101,402.40, 151,970.76 and 48,707.04 is: 72,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,402.40 : 151,970.76 = 48,707.04 : x
  2. Step 2: Convert to fraction form
    101,402.40/151,970.76 = 48,707.04/x
  3. Step 3: Cross multiply
    101,402.40x = 151,970.76 × 48,707.04
  4. Step 4: Simplify right side
    101,402.40x = 7,402,045,886.15
  5. Step 5: Solve for x
    x = 7,402,045,886.15/101,402.40
  6. Step 6: Final answer
    x = 72,996.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.